Posted by ally on Wednesday, September 28, 2011 at 11:46pm.
Four marbles are drawn at random from a bag containing 7 black marbles and 10 red marbles. Determine the number of outcomes in the sample space of this experiment if the marbles are drawn without replacement.

algebra  Reiny, Thursday, September 29, 2011 at 12:52am
All black  1
3black, 1red = 4!/(3!1!) = 4
2black, 2red = 4!(2!2!) = 6
1 black, 3red = 4
all red = 1
BBBB
BBBR
BBRB
BRBB
RBBB
BBRR
RRBB
BRBR
RBRB
BRRB
RBBR
RRRB
RRBR
RBRR
BRRR
RRRR
Answer This Question
Related Questions
 statistics  refer to a bag of marbles containing 5 green marbles, 4 red marbles...
 math  A bag of marbles contains 8 red marbles and 6 yellow marbles. Two marbles...
 Math  Can someone please explain how to solve this problem? A bag contains 6 ...
 Math  A bag contains 4 green marbles, 6 red marbles, and 2 white marbles. Three...
 math  George has a bag of marbles. Inside the bag are 5 red marbles, 3 green ...
 math  George has a bag of marbles. Inside the bag are 5 red marbles, 3 green ...
 Probabilit  Three marbles are drawn without replacement from an urn containing ...
 probability  George has a bag of marbles. Inside the bag are 5 red marbles, 3 ...
 8th grade math  George has a bag of marbles. Inside the bag are 5 red marbles, ...
 math  A bag of marbles contains 8 red marbles and 6 yellow marbles. Two marbles...
More Related Questions